Title:
METHOD FOR PRODUCING RUBBER COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2013/099822
Kind Code:
A1
Abstract:
The present invention provides a method for producing a rubber composition comprising a rubber component (A) consisting of at least one selected from natural rubbers and synthetic diene rubbers, a filler containing an inorganic filler (B), a silane coupling agent (C), and thiourea. The method for producing a rubber composition is characterized in that the rubber composition is kneaded in multiple steps, and in the first kneading step, the rubber component (A), all or a portion of the inorganic filler (B), all or a portion of the silane coupling agent (C), and the thiourea are kneaded. The method improves the reactivity of the coupling agent and the rubber component to produce a rubber composition that is excellent in terms of low heat emission.
Inventors:
YUKIMURA NORIAKI (JP)
HORIE SATOSHI (JP)
TODA TAKUMI (JP)
HORIE SATOSHI (JP)
TODA TAKUMI (JP)
Application Number:
PCT/JP2012/083348
Publication Date:
July 04, 2013
Filing Date:
December 21, 2012
Export Citation:
Assignee:
BRIDGESTONE CORP (JP)
YUKIMURA NORIAKI (JP)
HORIE SATOSHI (JP)
TODA TAKUMI (JP)
YUKIMURA NORIAKI (JP)
HORIE SATOSHI (JP)
TODA TAKUMI (JP)
International Classes:
C08J3/20; C08K3/36; C08K5/405; C08K5/548; C08L7/00; C08L9/00
Domestic Patent References:
| WO2008123306A1 | 2008-10-16 | |||
| WO2008123306A1 | 2008-10-16 |
Foreign References:
| JP2009524715A | 2009-07-02 | |||
| JPS54146843A | 1979-11-16 | |||
| JPH11130908A | 1999-05-18 | |||
| JP2002521515A | 2002-07-16 | |||
| JP2002521516A | 2002-07-16 | |||
| JP2003530443A | 2003-10-14 | |||
| JP2003523472A | 2003-08-05 | |||
| JP2006167919A | 2006-06-29 |
Other References:
See also references of EP 2799468A4
"Gomu Kogyo Binran", January 1994, THE SOCIETY OF RUBBER SCIENCE AND TECHNOLOGY, article "Mixed Chemicals, Section 1 Vulcanizing Agent"
"Gomu Kogyo Binran", January 1994, THE SOCIETY OF RUBBER SCIENCE AND TECHNOLOGY, article "Mixed Chemicals, Section 1 Vulcanizing Agent"
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (JP)
Tamotsu Otani (JP)
Tamotsu Otani (JP)
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Claims: